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Shiyu Chai commented on FLINK-11143: ------------------------------------ You could try to upgrade your jdk version. I met this issue too, and I've upgrade my jdk version from jdk_jdk1.8.0_11 to jdk1.8.0_191, then this problem disappear. > AskTimeoutException is thrown during job submission and completion > ------------------------------------------------------------------ > > Key: FLINK-11143 > URL: https://issues.apache.org/jira/browse/FLINK-11143 > Project: Flink > Issue Type: Bug > Affects Versions: 1.6.2 > Reporter: Alex Vinnik > Priority: Major > > For more details please see the thread > [http://mail-archives.apache.org/mod_mbox/flink-user/201812.mbox/%3cc2fb26f9-1410-4333-80f4-34807481b...@gmail.com%3E] > On submission > 2018-12-12 02:28:31 ERROR JobsOverviewHandler:92 - Implementation error: > Unhandled exception. > akka.pattern.AskTimeoutException: Ask timed out on > [Actor[akka://flink/user/dispatcher#225683351|#225683351]] after [10000 ms]. > Sender[null] sent message of type > "org.apache.flink.runtime.rpc.messages.LocalFencedMessage". > at akka.pattern.PromiseActorRef$$anonfun$1.apply$mcV$sp(AskSupport.scala:604) > at akka.actor.Scheduler$$anon$4.run(Scheduler.scala:126) > at > scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:601) > at > scala.concurrent.BatchingExecutor$class.execute(BatchingExecutor.scala:109) > at > scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:599) > at > akka.actor.LightArrayRevolverScheduler$TaskHolder.executeTask(LightArrayRevolverScheduler.scala:329) > at > akka.actor.LightArrayRevolverScheduler$$anon$4.executeBucket$1(LightArrayRevolverScheduler.scala:280) > at > akka.actor.LightArrayRevolverScheduler$$anon$4.nextTick(LightArrayRevolverScheduler.scala:284) > at > akka.actor.LightArrayRevolverScheduler$$anon$4.run(LightArrayRevolverScheduler.scala:236) > at java.lang.Thread.run(Thread.java:748) > > On completion > > {"errors":["Internal server error.","<Exception on server > side:\njava.util.concurrent.CompletionException: > akka.pattern.AskTimeoutException: Ask timed out on > [Actor[akka://flink/user/dispatcher#105638574]] after [10000 ms]. > Sender[null] sent message of type > \"org.apache.flink.runtime.rpc.messages.LocalFencedMessage\". > at > java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:292) > at > java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:308) > at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:593) > at > java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577) > at > java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474) > at > java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1977) > at > org.apache.flink.runtime.concurrent.FutureUtils$1.onComplete(FutureUtils.java:772) > at akka.dispatch.OnComplete.internal(Future.scala:258) > at akka.dispatch.OnComplete.internal(Future.scala:256) > at akka.dispatch.japi$CallbackBridge.apply(Future.scala:186) > at akka.dispatch.japi$CallbackBridge.apply(Future.scala:183) > at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36) > at > org.apache.flink.runtime.concurrent.Executors$DirectExecutionContext.execute(Executors.java:83) > at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:44) > at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:252) > at akka.pattern.PromiseActorRef$$anonfun$1.apply$mcV$sp(AskSupport.scala:603) > at akka.actor.Scheduler$$anon$4.run(Scheduler.scala:126) > at > scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:601) > at scala.concurrent.BatchingExecutor$class.execute(BatchingExecutor.scala:109) > at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:599) > at > akka.actor.LightArrayRevolverScheduler$TaskHolder.executeTask(LightArrayRevolverScheduler.scala:329) > at > akka.actor.LightArrayRevolverScheduler$$anon$4.executeBucket$1(LightArrayRevolverScheduler.scala:280) > at > akka.actor.LightArrayRevolverScheduler$$anon$4.nextTick(LightArrayRevolverScheduler.scala:284) > at > akka.actor.LightArrayRevolverScheduler$$anon$4.run(LightArrayRevolverScheduler.scala:236) > at java.lang.Thread.run(Thread.java:748)\nCaused by: > akka.pattern.AskTimeoutException: Ask timed out on > [Actor[akka://flink/user/dispatcher#105638574]] after [10000 ms]. > Sender[null] sent message of type > \"org.apache.flink.runtime.rpc.messages.LocalFencedMessage\". > at > akka.pattern.PromiseActorRef$$anonfun$1.apply$mcV$sp(AskSupport.scala:604)\n\t... > 9 more\n\nEnd of exception on server side>"]} -- This message was sent by Atlassian JIRA (v7.6.3#76005)